package com.ckr.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

/**
 * @author Shadowckr
 * @create 2021-09-25 0:07
 */
public class MybatisUtils {

    private static SqlSessionFactory sqlSessionFactory;

    static {
        try {
            String resource = "mybatis-config.xml";
            InputStream inputStream = Resources.getResourceAsStream(resource);
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    // 从 SqlSessionFactory 中获取 SqlSession 连接
    public static SqlSession getSqlSession() {
//        SqlSession sqlSession = sqlSessionFactory.openSession();
//        return sqlSession;
        return sqlSessionFactory.openSession();
    }

}
